import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@WebServlet("/refersh")
public class autoRefresh extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //自动刷新
        resp.setHeader("Refresh","2");
        //规定语言类型
        resp.setContentType("text/html;charset=utf8");
        resp.getWriter().write("现在的时间戳: "+System.currentTimeMillis());
    }
}
